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<title>Use Case 7 - A dynamic configuration file</title>
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<p><strong><font face="Arial">Use Case 7</font></strong></p>
<p><font face="Arial"><strong>Primary Actor:</strong> Configuration Designer (CD)</font></p>
<p><font face="Arial"><strong>Preconditions:</strong> A working computer to create a configuration file</font></p>
<p><font face="Arial"><strong>Postconditions:</strong> A dynamic configuration file</font></p>
<p><font face="Arial"><strong>Basic Flow:</strong>&nbsp;<br>  
1. CD 
determines the number  
of cars. <br>2. CD determines the 
average speed. <br>3. CD calculates the standard deviation 
of speed. </font><font face="Arial"><br>4. CD determines the start time <br>5. 
CD determines the start and end locations</font></p>
<p></font><font face="Arial"><img border="0" src="UI/UI-01.jpg" width="412" height="357">
<br>6. CD opens configuration file interface clicks &quot;File&quot; &gt; &quot;New&quot; 
&gt; &quot;Dynamic&quot;.</font></p>
<p><font face="Arial">
<img border="0" src="UI/UI-03.jpg" width="414" height="360"><br>7. CD enters 
this information in fields to create configuration file. </font></p>
<p><img border="0" src="UI/UI-13.jpg" width="619" height="481"><br>
<font face="Arial">6. CD saves the configuration file using save dialog.</font></p>
<p><font face="Arial"><strong>Alternative Flows:</strong>     &nbsp;</font></p>
<p><img border="0" src="UI/UI-16.jpg" width="412" height="357"><br>
<font face="Arial">7a. Data enters doesn't pass validation.<br>
&nbsp;&nbsp; 1. CD edits and clicks &quot;Next&quot;.</font></p>
<p><font face="Arial"><strong>Special Requirements:</strong>&nbsp; </font></p>
<p><font face="Arial"><strong>Frequency of Occurrence:</strong>&nbsp; Often, as often as 
a dynamic configuration file is needed. </font></p>
<p><font face="Arial"><strong>Open Issues:</strong>&nbsp;&nbsp; 
</font></p>

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